Home / 28,996,261.88-40,013,817.12-15,943,429.40

Finding the Fourth Proportional to 28,996,261.88, 40,013,817.12 and 15,943,429.40

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Solution

The fourth proportional to 28,996,261.88, 40,013,817.12 and 15,943,429.40 is: 22,001,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996,261.88 : 40,013,817.12 = 15,943,429.40 : x
  2. Step 2: Convert to fraction form
    28,996,261.88/40,013,817.12 = 15,943,429.40/x
  3. Step 3: Cross multiply
    28,996,261.88x = 40,013,817.12 × 15,943,429.40
  4. Step 4: Simplify right side
    28,996,261.88x = 637,957,468,077,162.12
  5. Step 5: Solve for x
    x = 637,957,468,077,162.12/28,996,261.88
  6. Step 6: Final answer
    x = 22,001,369.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.